产品详情:
GSM/GPRS/GNSS模块SKC111简介
SKC111是一个集成了高性能的GNSS,4频GSM/GPRS,蓝牙接收器的多功能模块,基于MTK2503方案。模块GSM/GPRS部分可以在GSM850MHz, EGSM900MHz, DCS1800MHz,PCS1900MHz频段下工作,GPRS支持CS-1, CS-2, CS-3, CS-4编码方案!
亮点:
四频:GSM850/GSM900/DCS1800/PCS1900.
支持蓝牙3.0
支持GPS/GLONASS/北斗/GALILEO
双卡双待
SDIO,IIC,PCM,ADC,UART,GPIO
支持麦克风输入和扬声器输出
参数
GSM/GPRS
供电
Supply voltage: 3.3V~4.4V. Typical: 3.8V
电流
Maximum: 1.6A
固件更新
Via UART port
天线类型
PCB pad with 50 Ohm impedance.
GSM Class
Small MS
频段
1. Quad-band: GSM850, EGSM900, DCS1800, PCS1900.
2. The frequency bands can be set by AT command.
3. Auto search frequency band, compliant to GSM Phase 2/2+
GPRS数据
GPRS data downlink transfer: max. 85.6kbps
GPRS data uplink transfer: max. 85.6kbps
Coding scheme: CS-1, CS-2, CS-3 and CS-4
Support the protocols PAP usually used for PPP connections
Support Packet Broadcast Control Channel (PBCCH)
Support Unstructured Supplementary Service Data (USSD)
Internet service protocols TCP/UDP, FTP, PPP, HTTP, NTP, PING
传输功耗
Class 4 (2W) at GSM850 and EGSM900
Class 1 (1W) at DCS1800 and PCS1900
GPRS灵敏度
GPRS multi-slot class 12 (default)
GPRS multi-slot class 1~12 (configurable)
GPRS mobile station class B
SMS
Text and PDU mode
SMS storage: SIM card
SIM 接口
Support SIM card: 1.8V, 3.0V
Support dual SIM card (Not support Dual SIM dual standby)
SIM工具包
Support SAT class 3, GSM 11.14 Release 99
电话簿管理
Support phonebook types: SM, ME, ON, MC, RC, DC, LD, LA
音频
Speech codec modes: Half Rate/Full Rate/Enhanced Full Rate /Adaptive Multi-Rate
Embedded one amplifier of class AB with maximum driving power up to 870mW
Support microphone input.
Support speaker out and hand-free speaker out.
UART 接口
Support UARTF and UART debug and UART Auxiliary.
Used for AT command, GPRS data
Support autobauding from 4800bps to 115200bps
UART Auxiliary used for communication with the GNSS Part
GNSS
供电
Supply voltage: 2.8V~4.3V. Typical: 3.3V
固件升级
Via UART port
天线
PCB pad with 50 Ohm impedance.
导航
GPS/GLONASS/BEIDOU/GALILEO
功耗
Acquisition: 37mA @-130dBm (GPS+GLONASS)
Tracking: 30mA @-130dBm (GPS+GLONASS)
Backup: 7uA @V_BCKP=3.3V
接收方式
BD B1/GPS L1/GALILEO/QZSS
QZSS, SBAS (WAAS,EGNOS,MSAS,GAGAN)
灵敏度
Acquisition: -149dBm
Reacquisition: -161dBm
Tracking: -167dBm
启动时间(EASY Enabled)
Cold Start:
Warm Start:
Hot Start: 1s @-130dBm
PPS
Typical accuracy±10ns
Time pulse width 100ms
定位精度
协议
NMEA0183
更新率
Up to 10Hz, 1Hz by default
动态性能
Maximum Altitude: 18,000m
Maximum Velocity: 515m/s
Acceleration: 4G
UART 接口
UART port: GNSS_TX and GNSS_ RX
波特率4800bps ~ 115200bps, 默认9600bps